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  1. 4th Generation Altima (2007-2009)
    I have a 2008 Altima 2.5L with 150k miles. It just pushed a P0420 code. I have done a lot of research on this forum and others and it seems in the older models a precat failure could cause debris to be sucked into the engine causing engine failure. I have not found any reports of this happening...
  2. Maintenance & Repair
    i have a 2001 altima with about ~120k miles, oil changes at every 3-4k interval. recently had the intake manifold gasket replaced for $400 to fix a rough idle. the car no longer has a rough idle, but i got it back with a dead speedometer and odometer. they were working fine before. and my...
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